How Blockchain differs from a database?

Blockchain differs from database
Blockchain differs from database

Storage Structure

The way data is structured differs significantly between a traditional database and a blockchain. A blockchain is a digital ledger that organises data into groups called blocks, each of which contains a collection of data. Blocks have specific storage capacities, and when they are filled, they are chained onto the previous block, creating a data chain known as a “blockchain.” All new information introduced after the newly added block is compiled into a new block, which is then added to the chain until it is filled.

Both blockchains are databases as a result, but not all databases are blockchains. When applied in a decentralised manner, this system creates an irreversible data timeline. Block becomes permanent after filling. And part of the timeline.


It’s helpful to think about blockchain in terms. And how it’s been applied by Bitcoin to gain a better understanding of it. Bitcoin, like a database, relies on a network of computers to store the blockchain. This blockchain is simply a form of ledger that records every Bitcoin transaction ever made for Bitcoin. In the case of Bitcoin, unlike most databases, these machines are not all housed under one roof. The process by which an organization’s operations, especially those related to planning and decision-making, are dispersed or delegated away from a central, authoritative location or community is known as decentralisation or decentralisation.

Consider a corporation that maintains a server with 10,000 computers and a database. That contains all of its clients’ account records. This organization owns a warehouse that houses all of these computers under one roof. And has complete control over each of them and the information they hold. But each computer or group of computers that holds its blockchain. Nodes are the machines that make up the Bitcoin network.


Decentralized Manner

Private, centralised blockchains, on the other hand, exist in which all of the machines.

Each node in a blockchain has a complete record of all data stored on the blockchain since its inception. The data for Bitcoin is the complete history of all Bitcoin transactions. If a node’s data contains an error, it may use the thousands of other nodes as a point of reference to fix it. This way, no single node in the network can change the data it contains.

As a result, the past of transactions in each block of Bitcoin’s blockchain is unchangeable.

If one user tampers with Bitcoin’s transaction record, all other nodes can cross-reference each other, making it easy to find the node that has the incorrect data. His framework aids in the establishment of a precise and transparent sequence of events. A blockchain can store a variety of information, such as legal contracts, state identifications, or a company’s product inventory. For Bitcoin, this information is a list of transactions, but it can also contain a variety of information, such as legal contracts, state identifications, or a company’s product inventory.

A majority of the decentralised network’s computing power will have to agree on the changes in order to alter how the system operates or the information stored inside it. This means that any improvements do take place are in the majority’s best interests.

Therefore, Blockchain differs from Database.


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